root/tools/perf/ui/gtk/annotate.c

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DEFINITIONS

This source file includes following definitions.
  1. perf_gtk__get_percent
  2. perf_gtk__get_offset
  3. perf_gtk__get_line
  4. perf_gtk__annotate_symbol
  5. symbol__gtk_annotate
  6. hist_entry__gtk_annotate
  7. perf_gtk__show_annotations

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "gtk.h"
   3 #include "util/sort.h"
   4 #include "util/debug.h"
   5 #include "util/annotate.h"
   6 #include "util/evsel.h"
   7 #include "util/map.h"
   8 #include "util/dso.h"
   9 #include "util/symbol.h"
  10 #include "ui/helpline.h"
  11 #include <inttypes.h>
  12 #include <signal.h>
  13 
  14 enum {
  15         ANN_COL__PERCENT,
  16         ANN_COL__OFFSET,
  17         ANN_COL__LINE,
  18 
  19         MAX_ANN_COLS
  20 };
  21 
  22 static const char *const col_names[] = {
  23         "Overhead",
  24         "Offset",
  25         "Line"
  26 };
  27 
  28 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  29                                  struct disasm_line *dl, int evidx)
  30 {
  31         struct sym_hist *symhist;
  32         double percent = 0.0;
  33         const char *markup;
  34         int ret = 0;
  35 
  36         strcpy(buf, "");
  37 
  38         if (dl->al.offset == (s64) -1)
  39                 return 0;
  40 
  41         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  42         if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
  43                 return 0;
  44 
  45         percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
  46 
  47         markup = perf_gtk__get_percent_color(percent);
  48         if (markup)
  49                 ret += scnprintf(buf, size, "%s", markup);
  50         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  51         if (markup)
  52                 ret += scnprintf(buf + ret, size - ret, "</span>");
  53 
  54         return ret;
  55 }
  56 
  57 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  58                                 struct map *map, struct disasm_line *dl)
  59 {
  60         u64 start = map__rip_2objdump(map, sym->start);
  61 
  62         strcpy(buf, "");
  63 
  64         if (dl->al.offset == (s64) -1)
  65                 return 0;
  66 
  67         return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
  68 }
  69 
  70 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  71 {
  72         int ret = 0;
  73         char *line = g_markup_escape_text(dl->al.line, -1);
  74         const char *markup = "<span fgcolor='gray'>";
  75 
  76         strcpy(buf, "");
  77 
  78         if (!line)
  79                 return 0;
  80 
  81         if (dl->al.offset != (s64) -1)
  82                 markup = NULL;
  83 
  84         if (markup)
  85                 ret += scnprintf(buf, size, "%s", markup);
  86         ret += scnprintf(buf + ret, size - ret, "%s", line);
  87         if (markup)
  88                 ret += scnprintf(buf + ret, size - ret, "</span>");
  89 
  90         g_free(line);
  91         return ret;
  92 }
  93 
  94 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  95                                 struct map *map, struct evsel *evsel,
  96                                 struct hist_browser_timer *hbt __maybe_unused)
  97 {
  98         struct disasm_line *pos, *n;
  99         struct annotation *notes;
 100         GType col_types[MAX_ANN_COLS];
 101         GtkCellRenderer *renderer;
 102         GtkListStore *store;
 103         GtkWidget *view;
 104         int i;
 105         char s[512];
 106 
 107         notes = symbol__annotation(sym);
 108 
 109         for (i = 0; i < MAX_ANN_COLS; i++) {
 110                 col_types[i] = G_TYPE_STRING;
 111         }
 112         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 113 
 114         view = gtk_tree_view_new();
 115         renderer = gtk_cell_renderer_text_new();
 116 
 117         for (i = 0; i < MAX_ANN_COLS; i++) {
 118                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 119                                         -1, col_names[i], renderer, "markup",
 120                                         i, NULL);
 121         }
 122 
 123         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 124         g_object_unref(GTK_TREE_MODEL(store));
 125 
 126         list_for_each_entry(pos, &notes->src->source, al.node) {
 127                 GtkTreeIter iter;
 128                 int ret = 0;
 129 
 130                 gtk_list_store_append(store, &iter);
 131 
 132                 if (perf_evsel__is_group_event(evsel)) {
 133                         for (i = 0; i < evsel->core.nr_members; i++) {
 134                                 ret += perf_gtk__get_percent(s + ret,
 135                                                              sizeof(s) - ret,
 136                                                              sym, pos,
 137                                                              evsel->idx + i);
 138                                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 139                         }
 140                 } else {
 141                         ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 142                                                     evsel->idx);
 143                 }
 144 
 145                 if (ret)
 146                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 147                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 148                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 149                 if (perf_gtk__get_line(s, sizeof(s), pos))
 150                         gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 151         }
 152 
 153         gtk_container_add(GTK_CONTAINER(window), view);
 154 
 155         list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
 156                 list_del_init(&pos->al.node);
 157                 disasm_line__free(pos);
 158         }
 159 
 160         return 0;
 161 }
 162 
 163 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 164                                 struct evsel *evsel,
 165                                 struct hist_browser_timer *hbt)
 166 {
 167         GtkWidget *window;
 168         GtkWidget *notebook;
 169         GtkWidget *scrolled_window;
 170         GtkWidget *tab_label;
 171         int err;
 172 
 173         if (map->dso->annotate_warned)
 174                 return -1;
 175 
 176         err = symbol__annotate(sym, map, evsel, 0, &annotation__default_options, NULL);
 177         if (err) {
 178                 char msg[BUFSIZ];
 179                 symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
 180                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 181                 return -1;
 182         }
 183 
 184         symbol__calc_percent(sym, evsel);
 185 
 186         if (perf_gtk__is_active_context(pgctx)) {
 187                 window = pgctx->main_window;
 188                 notebook = pgctx->notebook;
 189         } else {
 190                 GtkWidget *vbox;
 191                 GtkWidget *infobar;
 192                 GtkWidget *statbar;
 193 
 194                 signal(SIGSEGV, perf_gtk__signal);
 195                 signal(SIGFPE,  perf_gtk__signal);
 196                 signal(SIGINT,  perf_gtk__signal);
 197                 signal(SIGQUIT, perf_gtk__signal);
 198                 signal(SIGTERM, perf_gtk__signal);
 199 
 200                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 201                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 202 
 203                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 204 
 205                 pgctx = perf_gtk__activate_context(window);
 206                 if (!pgctx)
 207                         return -1;
 208 
 209                 vbox = gtk_vbox_new(FALSE, 0);
 210                 notebook = gtk_notebook_new();
 211                 pgctx->notebook = notebook;
 212 
 213                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 214 
 215                 infobar = perf_gtk__setup_info_bar();
 216                 if (infobar) {
 217                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 218                                            FALSE, FALSE, 0);
 219                 }
 220 
 221                 statbar = perf_gtk__setup_statusbar();
 222                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 223 
 224                 gtk_container_add(GTK_CONTAINER(window), vbox);
 225         }
 226 
 227         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 228         tab_label = gtk_label_new(sym->name);
 229 
 230         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 231                                        GTK_POLICY_AUTOMATIC,
 232                                        GTK_POLICY_AUTOMATIC);
 233 
 234         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 235                                  tab_label);
 236 
 237         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 238         return 0;
 239 }
 240 
 241 int hist_entry__gtk_annotate(struct hist_entry *he,
 242                              struct evsel *evsel,
 243                              struct hist_browser_timer *hbt)
 244 {
 245         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 246 }
 247 
 248 void perf_gtk__show_annotations(void)
 249 {
 250         GtkWidget *window;
 251 
 252         if (!perf_gtk__is_active_context(pgctx))
 253                 return;
 254 
 255         window = pgctx->main_window;
 256         gtk_widget_show_all(window);
 257 
 258         perf_gtk__resize_window(window);
 259         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 260 
 261         gtk_main();
 262 
 263         perf_gtk__deactivate_context(&pgctx);
 264 }

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